<template>
    <div>
        组件3
        <input type="checkbox"> 奔驰
        <input type="checkbox"> 宝马
        <input type="checkbox"> 红旗
        <input type="checkbox"> 日产尼桑
        <button>提交表单</button>
    </div>
</template>

<script>
export default {
    data() {
        return {
        }
    },
    created() {
        console.log('son3-created');
    },
    unmounted() {
        console.log('son3-unmounted');
    },
    activated() { // 激活
        console.log('son3-activated');
    },
    deactivated() { // 失活
        console.log('son3-deactivated');
    },
}
</script>
<style scoped></style>